F23C 7/002
The air being submitted to a rotary or spinning motion
Official title: {the air being submitted to a rotary or spinning motion (cyclonic combustion chamber F23C3/006)}
F23C7/002 (The air being submitted to a rotary or spinning motion) appears on 547 US grants and 364 published applications in this corpus.
Search patents in F23C- Granted patents
- 547
- Published applications
- 364
- Assignees
- 234
- Inventors
- 1,085
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 7 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 5 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 4 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 6 | 0 |
| 1992 | 14 | 0 |
| 1993 | 8 | 0 |
| 1994 | 14 | 0 |
| 1995 | 16 | 0 |
| 1996 | 8 | 0 |
| 1997 | 17 | 0 |
| 1998 | 22 | 0 |
| 1999 | 28 | 0 |
| 2000 | 32 | 0 |
| 2001 | 25 | 6 |
| 2002 | 14 | 12 |
| 2003 | 9 | 12 |
| 2004 | 16 | 26 |
| 2005 | 10 | 18 |
| 2006 | 11 | 10 |
| 2007 | 9 | 18 |
| 2008 | 8 | 10 |
| 2009 | 12 | 13 |
| 2010 | 3 | 25 |
| 2011 | 14 | 14 |
| 2012 | 11 | 22 |
| 2013 | 13 | 12 |
| 2014 | 14 | 20 |
| 2015 | 17 | 28 |
| 2016 | 13 | 15 |
| 2017 | 22 | 10 |
| 2018 | 14 | 11 |
| 2019 | 12 | 17 |
| 2020 | 17 | 17 |
| 2021 | 13 | 8 |
| 2022 | 6 | 6 |
| 2023 | 6 | 11 |
| 2024 | 7 | 8 |
| 2025 | 7 | 10 |
| 2026 | 6 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Cement kiln burner and method for operating same11 Aug 2026US 12,704,252 B2Taiheiyo Cement Corporation
- Nozzle configured to deliver gas into incinerator9 Jun 2026US 12,650,225 B2Martin GmbH fur Umwelt- und Energietechnik
- Pellet cooking station and system for igniting pellets and method thereof19 May 2026US 12,631,338 B2North Atlantic Imports, LLC
- Pyrolysis and combustion control in pyrolysis reactors, and associated systems and methods5 May 2026US 12,617,674 B2Modern Hydrogen, Inc.
- Burner apparatus5 May 2026US 12,618,557 B2Honeywell International Inc.
- Burner assembly for gaseous fuels27 Aug 2026US 2026/0251296 A1Clearsign Technologies Corporation
- Burner apparatus20 Aug 2026US 2026/0243419 A1Honeywell International Inc.
- Combustion section for a turbine engine30 Jul 2026US 2026/0218904 A1General Electric Company
- Fireplaced device with spiral flame30 Apr 2026US 2026/0117983 A1
- Burner apparatus26 Mar 2026US 2026/0085833 A1Honeywell International Inc.
Most cited
By later US patents
- Swozzle based burner tube premixer including inlet air conditioner for low emissions combustion155US 6,438,961 B2General Electric Company · 2002
- Dual fuel mixer for gas turbine combustor141US 5,351,477 AGeneral Electric Company · 1994
- Gas turbine combustor swirl vane arrangement131US 5,394,688 AWestinghouse Electric Corp. · 1995
- Gas turbine engine carburetor125US 4,653,278 AGeneral Electric Company · 1987
- Gas turbine fuel injector115US 6,289,677 B1Pratt & Whitney Canada Corp. · 2001